English
Related papers

Related papers: OctreeOcc: Efficient and Multi-Granularity Occupan…

200 papers

3D Panoptic Occupancy Prediction aims to reconstruct a dense volumetric scene map by predicting the semantic class and instance identity of every occupied region in 3D space. Achieving such fine-grained 3D understanding requires precise…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Jong Wook Kim , Wonseok Roh , Ha Dam Baek , Pilhyeon Lee , Jonghyun Choi , Sangpil Kim

In the realm of autonomous vehicle perception, comprehending 3D scenes is paramount for tasks such as planning and mapping. Camera-based 3D Semantic Occupancy Prediction (OCC) aims to infer scene geometry and semantics from limited…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Sanbao Su , Nuo Chen , Chenchen Lin , Felix Juefei-Xu , Chen Feng , Fei Miao

Existing vision-based 3D occupancy prediction methods are inherently limited in accuracy due to their exclusive reliance on street-view imagery, neglecting the potential benefits of incorporating satellite views. We propose SA-Occ, the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Chen Chen , Zhirui Wang , Taowei Sheng , Yi Jiang , Yundu Li , Peirui Cheng , Luning Zhang , Kaiqiang Chen , Yanfeng Hu , Xue Yang , Xian Sun

Monocular 3D occupancy prediction, aiming to predict the occupancy and semantics within interesting regions of 3D scenes from only 2D images, has garnered increasing attention recently for its vital role in 3D scene understanding.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Xu Zhao , Pengju Zhang , Bo Liu , Yihong Wu

In this paper we provide an overview of a new framework for robot perception, real-world modelling, and navigation that uses a stochastic tesselated representation of spatial information called the Occupancy Grid. The Occupancy Grid is a…

Robotics · Computer Science 2013-04-05 A. Elfes

3D semantic occupancy prediction is crucial for autonomous driving perception, offering comprehensive geometric scene understanding and semantic recognition. However, existing methods struggle with geometric misalignment in view…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Xubo Zhu , Haoyang Zhang , Fei He , Rui Wu , Yanhu Shan , Wen Yang , Huai Yu

A key challenge for LiDAR-based 3D object detection is to capture sufficient features from large scale 3D scenes especially for distant or/and occluded objects. Albeit recent efforts made by Transformers with the long sequence modeling…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Chao Zhou , Yanan Zhang , Jiaxin Chen , Di Huang

3D occupancy prediction is crucial for robust autonomous driving systems as it enables comprehensive perception of environmental structures and semantics. Most existing methods employ dense voxel-based scene representations, ignoring the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Sicheng Zuo , Wenzhao Zheng , Xiaoyong Han , Longchao Yang , Yong Pan , Jiwen Lu

3D occupancy and scene flow offer a detailed and dynamic representation of 3D scene. Recognizing the sparsity and complexity of 3D space, previous vision-centric methods have employed implicit learning-based approaches to model spatial and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Zhimin Liao , Ping Wei , Shuaijia Chen , Haoxuan Wang , Ziyang Ren

In this paper, we explore a novel point representation for 3D occupancy prediction from multi-view images, which is named Occupancy as Set of Points. Existing camera-based methods tend to exploit dense volume-based representation to predict…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Yiang Shi , Tianheng Cheng , Qian Zhang , Wenyu Liu , Xinggang Wang

In NeRF, a critical problem is to effectively estimate the occupancy to guide empty-space skipping and point sampling. Grid-based methods work well for small-scale scenes. However, on large-scale scenes, they are limited by predefined…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Zhenxing Mi , Dan Xu

Given the capability of mitigating the long-tail deficiencies and intricate-shaped absence prevalent in 3D object detection, occupancy prediction has become a pivotal component in autonomous driving systems. However, the procession of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Zichen Yu , Changyong Shu , Jiajun Deng , Kangjie Lu , Zongdai Liu , Jiangyong Yu , Dawei Yang , Hui Li , Yan Chen

Dense 3D semantic occupancy perception is critical for mobile robots operating in pedestrian-rich environments, yet it remains underexplored compared to its application in autonomous driving. To address this gap, we present MobileOcc, a…

Robotics · Computer Science 2025-11-24 Junseo Kim , Guido Dumont , Xinyu Gao , Gang Chen , Holger Caesar , Javier Alonso-Mora

Recently, implicit neural representations have gained popularity for learning-based 3D reconstruction. While demonstrating promising results, most implicit approaches are limited to comparably simple geometry of single objects and do not…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Songyou Peng , Michael Niemeyer , Lars Mescheder , Marc Pollefeys , Andreas Geiger

Existing solutions for 3D semantic occupancy prediction typically treat the task as a one-shot 3D voxel-wise segmentation perception problem. These discriminative methods focus on learning the mapping between the inputs and occupancy map in…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Guoqing Wang , Zhongdao Wang , Pin Tang , Jilai Zheng , Xiangxuan Ren , Bailan Feng , Chao Ma

In autonomous driving, 3D occupancy prediction outputs voxel-wise status and semantic labels for more comprehensive understandings of 3D scenes compared with traditional perception tasks, such as 3D object detection and bird's-eye view…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Jiawei Hou , Xiaoyan Li , Wenhao Guan , Gang Zhang , Di Feng , Yuheng Du , Xiangyang Xue , Jian Pu

Accurate 3D perception is essential for understanding the environment in autonomous driving. Recent advancements in 3D semantic occupancy prediction have leveraged camera-LiDAR fusion to improve robustness and accuracy. However, current…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Minjae Seong , Jisong Kim , Geonho Bang , Hawook Jeong , Jun Won Choi

Camera-based 3D semantic occupancy prediction offers an efficient and cost-effective solution for perceiving surrounding scenes in autonomous driving. However, existing works rely on explicit occupancy state inference, leading to numerous…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Naiyu Fang , Zheyuan Zhou , Kang Wang , Ruibo Li , Lemiao Qiu , Shuyou Zhang , Zhe Wang , Guosheng Lin

3D semantic occupancy prediction is an essential part of autonomous driving, focusing on capturing the geometric details of scenes. Off-road environments are rich in geometric information, therefore it is suitable for 3D semantic occupancy…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Heng Zhai , Jilin Mei , Chen Min , Liang Chen , Fangzhou Zhao , Yu Hu

3D occupancy perception holds a pivotal role in recent vision-centric autonomous driving systems by converting surround-view images into integrated geometric and semantic representations within dense 3D grids. Nevertheless, current models…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Xin Tan , Wenbin Wu , Zhiwei Zhang , Chaojie Fan , Yong Peng , Zhizhong Zhang , Yuan Xie , Lizhuang Ma